WO2008038485A1 - dispositif d'élimination des déchets humains - Google Patents

dispositif d'élimination des déchets humains Download PDF

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Publication number
WO2008038485A1
WO2008038485A1 PCT/JP2007/066564 JP2007066564W WO2008038485A1 WO 2008038485 A1 WO2008038485 A1 WO 2008038485A1 JP 2007066564 W JP2007066564 W JP 2007066564W WO 2008038485 A1 WO2008038485 A1 WO 2008038485A1
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WO
WIPO (PCT)
Prior art keywords
detection
light receiving
disposal apparatus
excrement disposal
light
Prior art date
Application number
PCT/JP2007/066564
Other languages
English (en)
Japanese (ja)
Inventor
Masanao Miyagi
Kazuyoshi Watanabe
Original Assignee
I-Wave Co., Ltd.
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by I-Wave Co., Ltd. filed Critical I-Wave Co., Ltd.
Priority to JP2008502165A priority Critical patent/JP4713633B2/ja
Publication of WO2008038485A1 publication Critical patent/WO2008038485A1/fr

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Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F5/00—Orthopaedic methods or devices for non-surgical treatment of bones or joints; Nursing devices; Anti-rape devices
    • A61F5/44—Devices worn by the patient for reception of urine, faeces, catamenial or other discharge; Portable urination aids; Colostomy devices
    • A61F5/451—Genital or anal receptacles
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
    • A61G9/00—Bed-pans, urinals or other sanitary devices for bed-ridden persons; Cleaning devices therefor, e.g. combined with toilet-urinals

Definitions

  • the present invention relates to an excrement disposal apparatus used for a person who cannot excrete in a normal posture, a person who has difficulty in walking and cannot go to the toilet, or a so-called bedridden elderly person. In particular, it is intended to reduce the burden on caregivers, caregivers, nurses, etc. who are excreting at night. More specifically, the present invention relates to a sensor for an excrement disposal apparatus that is attached to an Omucup or the like and detects the presence or absence of excrement.
  • the diaper is excreted immediately after changing the diaper. If the diaper is not exchanged properly after excreting the excrement, it will be uncomfortable and unsanitary for the care recipient and patient. It may also cause other diseases to develop. In addition, care recipients and patients receive replacement checks more than necessary, which is a mental burden and a burden on caregivers and nurses. For this reason, a method has been proposed in which a sensor that detects the presence or absence of excrement in a diaper is installed in the omni, the presence or absence of excretion is determined, and the caregiver is notified. A number of techniques are known as this sensor technique (see, for example, patent documents;! To 5).
  • Excretion detection having a part of a sensor that detects a change in impedance between a pair of electrodes formed side by side and a frequency conversion circuit that changes the frequency according to the impedance change between the pair of electrodes
  • An excretion detection device to be used is disclosed (for example, see Patent Document 1).
  • an AC signal having a predetermined frequency is applied to one of the pair of electrodes, a voltage is induced on the other electrode, and when a load is connected to this, a current corresponding to the capacitance flows.
  • a leak detection sensor is disclosed in which an IV converter is connected to this to detect a change in capacitance (for example, see Patent Document 2).
  • a pair of conductors are printed in a comb wave shape on the surface of a resin film, and a high frequency of several tens of MHz is applied to both electrodes via a detection capacitor, and the terminal voltage of this detection capacitor is applied.
  • An informing device is disclosed that rectifies by an electrostatic capacity detection circuit, detects the electrostatic capacity between conductors from the magnitude of the rectified voltage, and determines the presence or absence of excrement (for example, patent document) 3).
  • a capacitance proximity sensor may be used to detect excrement such as stool.
  • a number of techniques are known for detection circuits including a capacitive proximity sensor (see, for example, Patent Document 45).
  • a salt content detection sensor for detecting a change in direct current voltage between a pair of electrodes installed in an omcup cup to detect salt content in urine or the like.
  • an object detection sensor is also known in which an infrared light emitting diode is always lit in an Ommop force and the infrared light is received by a light receiving transistor.
  • stool or the like shields infrared rays, and detects and compares changes in the light reception level.
  • Patent Document 1 Japanese Patent No. 3552997
  • Patent Document 2 Japanese Patent No. 3136438
  • Patent Document 3 Japanese Patent Laid-Open No. 2000-185067
  • Patent Document 4 Japanese Utility Model Publication No. 57-171234
  • Patent Document 5 Japanese Utility Model Publication No. 58-34266
  • a direct current is supplied to the detection electrode of the salt detection sensor.
  • the salt contained in the excrement has a very small amount of electric charge, and this small amount of electric charge moves along the electrostatic field and adheres to the electrode. For this reason, direct current is applied to the electrode of the salt detection sensor for a long time. If it is supplied, dirt components adhere to the electrode of the salt content detection sensor, and there is a problem that the detection sensitivity decreases with time.
  • the salinity detection sensor performs detection by connecting electrodes at a plurality of detection points in parallel. If there is excrement (salt-containing urine) between one pair of electrodes, this can be detected correctly, but if there is excrement (salt-containing urine) between two or more pairs of electrodes, it must be detected correctly. There is a problem that can not be. As an example, consider the case where the resistance value of water is 150 k ⁇ and the resistance value of salt water is 100 k ⁇ .
  • the detected resistance values of water and salt water may change and be detected. For example, if water or salt water is applied to both of two pairs of electrodes at the same time, a parallel circuit of resistors is formed, so the resistance value is halved compared to the case of one pair of electrodes, and each is 75k. Q and 50kQ. Furthermore, in the case of 3 pairs of electrodes, the resistance value is 1/3 compared to the case of 1 pair of electrodes with the same reasoning, 50 k ⁇ and 33.3 kQ, respectively. Now, even if the threshold is set between 150kQ and lOOkQ (eg HOkQ), water and salt water cannot be distinguished correctly.
  • the threshold is set between 150kQ and lOOkQ (eg HOkQ)
  • the object detection sensor has a problem that the detection sensitivity is changed due to a change with time, initial variation, and the like, resulting in malfunction. Further, there is a problem that the detection range of just object to use the straight light becomes narrow. To solve this problem, there is a means to increase the number of light emitting elements and light receiving elements. By doing so, interference from unintended light emitting elements can be caused! /, And the detection performance as a sensor can be reduced! / Another problem has occurred! /
  • the present invention has been made based on the technical background as described above, and achieves the following objects.
  • the object of the present invention is to detect urine excretion reliably and maintain a stable detection sensitivity.
  • An object of the present invention is to provide an excrement disposal apparatus having a detection sensor.
  • Another object of the present invention is to provide an excrement disposal apparatus having an object detection sensor having stable detection sensitivity and a wide object detection range, and having high detection performance for stool excretion. There is to be.
  • the present invention employs the following means.
  • the excrement disposal apparatus is attached to the body so as to surround the excretory part including the pubic part or anus, and the excrement excreted from the genital part and / or the anus is washed with a cleaning fluid and is discharged to the outside through the discharge port.
  • Omcup cup body configured to discharge and disposed on the other side of the Omcup cup body opposite to the discharge port, the cleaning fluid is distributed over the entire wall surface inside the Omcup cup body, and sprayed along the wall surface for cleaning Nozzle body for cleaning and a cleaning fluid passage that is provided in the Omcup cup body and guides the cleaning fluid supplied from the outside to the cleaning nozzle body, and is provided in the Omcup cup body and excreted from the genital area or anus And detecting means for detecting the presence or absence of excrement.
  • the detection means includes first detection means for detecting the presence or absence of fecal excretion.
  • the first detection means has a transmission type optical sensor comprising a light emitting element and a light receiving element provided on the outer wall surface of the Ommuc cup body.
  • the light receiving element receives a light emission signal emitted from a light emitting element provided on the outer wall surface of the Omcup cup body facing the light receiving element. While the light receiving element is receiving, the same light emitting element provided on the outer wall surface of the Omucup body does not emit light.
  • the cleaning nozzle body preferably ejects the cleaning fluid so that the side wall surface on the inner side of the omcup main body corresponding to the position where the light emitting element and the light receiving element are disposed can be cleaned.
  • the infrared frequency must be able to pass through the Omcup cup body, and is selected according to the material type of the Omucup body.
  • the light receiving element may receive infrared rays emitted from the light emitting element.
  • the detection means includes second detection means for detecting the presence or absence of urine excretion.
  • the second detection means does not detect only water but detects the presence or absence of salt-containing water.
  • the second detection means is provided on the Omcup cup body, and includes a sensor terminal portion composed of one or more pairs of sensor terminals, a concave portion for collecting a predetermined amount of urine provided in the vicinity of the sensor terminal portion, and a concave portion.
  • the surplus urine is detected by the current between the sensor terminals, it comprises a sensor control unit for the second detection means for determining that there is a urine.
  • the sensor control unit may sequentially detect each resistance between the plurality of sensor terminals to detect the presence or absence of water containing salt.
  • the recesses on both sides of the Omcup cup should be arranged so that when the Omcup is inclined 45 degrees to the left or right, this recess becomes the bottom of the Omcup cup.
  • the sensor control unit may be configured to determine the presence or absence of salt-containing water while alternately changing the polarity of the voltage applied to the sensor terminal unit.
  • the excrement disposal apparatus includes a control device that performs control to eject a cleaning liquid composed of water from the cleaning nozzle body when the second detection means detects that salt is present, that is, the presence of urine excretion. Good to be.
  • the control device may perform control to eject a cleaning liquid that is a mixture of water and air from the cleaning nozzle body when the first detecting means detects the presence of fecal excretion.
  • the salt detection sensor of the present invention is an electrolyte sensor (salt sensor) and does not detect water but detects water containing salt such as urine.
  • the present invention since detection is performed by supplying an alternating current to the salt detection sensor, impurities, foreign matter, and dust are less likely to adhere to the electrode of the detection terminal. In other words, since the polarity direction of the voltage applied to the electrode of the detection terminal of the salt content detection sensor is switched by the terminal center signal, dirt components do not adhere to the electrode of the detection terminal, and even if it is used for a long time, it can be detected. The detection accuracy of the salinity detection sensor has been improved.
  • the salt detection sensor uses electrodes for a plurality of detection terminals, and the electrodes of each detection terminal are installed at different locations on the Ommuc cup, and detection is performed while changing the detection point, It became possible to separate the contained water from the water that did not contain salt.
  • the stool detection sensor of the present invention performs detection using a plurality of infrared light-emitting elements and infrared light-receiving elements, so that the range for detecting an object is widened.
  • multiple infrared light emitting elements and light receiving elements installed on the same side of the Ommuk Cup are not operated at the same time, that is, the light receiving elements are stopped while the infrared light emitting elements are in operation, thus improving object detection sensitivity. The malfunction could be reduced.
  • the salinity detection sensors are installed at a plurality of locations of the Omucup, so that the user can By changing the posture of the body to change its orientation, it is possible to detect the presence or absence of excrement even if the Omucup is tilted.
  • the stool detection sensor uses infrared rays, the stool detection sensor is installed outside the side of the Omcup cup, and the infrared rays can be detected by passing through the side, and the surface on which the stool detection sensor is installed can be washed with water, etc. Therefore, problems due to contamination due to excrement occurred.
  • FIG. 1 is an external view showing the overall configuration of an excrement disposal apparatus according to an embodiment of the present invention.
  • the excrement disposal apparatus of FIG. 1 shows the Omcup cup body 1 in a state where the Omum cover is not attached.
  • FIG. 1 shows only the Omcup cup body 1, and in fact, as shown by a two-dot chain line, the Omcup body 1 is attached with a front cover 2 of a member that is bent at a position corresponding to the front part of the body.
  • the front cover 2 mainly covers the genital area (shame) of the body, and the contact portion that contacts the body is made of a flexible material!
  • the front cover 2 has a contact portion that is in close contact with the body so that excretion does not leak from between the omcup cup and the body, and prevention of occurrence of congestion, pressure sores, and the like is achieved.
  • the rear part opposite to the front cover 2 side is a part that mainly covers the body's buttocks, and the back part 3 for pressing against the back part of the body is attached to the rear part.
  • a deformable pleated member 4 made of a flexible material is provided at the contact portion of the Ommup cup body 1 with the body. The contact part is in close contact with the body to prevent the excrement from leaking between the omcup cup and the body and to prevent the occurrence of congestion, pressure ulcers and the like.
  • the Omcup is attached to the body, and the Omcup cup corresponding to the head side (upper) of the body is the upper (head). It is defined that the part of the Ommu Cup corresponding to the foot side (downward) of the body is the lower part (foot).
  • This omcup cup body 1 is provided with a cleaning nozzle body and detection means to be described later! / At the lower end, a cleaning liquid supply port, a related hose, a suction port for collecting excrement, So The related hose, the connector for connecting the detecting means, the terminal and the like are provided.
  • FIG. 2 is a front view of the excrement disposal apparatus as viewed from the X direction in FIG. Figure 3 shows A in Figure 2.
  • the Omucc cup body 1 constituting the main member of the present embodiment has a known configuration. Although a detailed description of the basic configuration is omitted, an outline of the Omucup cup body 1 will be described in order to facilitate understanding of the present embodiment.
  • the cup cup body 1 is shaped so as to be in direct contact with and surrounding the excretory part including the genital area and anus of the body, and is generally formed of a resin body.
  • the base portion of the Omucup body 1 is made of a hard resin such as polycarbonate resin.
  • the Omucup main body 1 forms a depression la so that excretion excreted when the user is lying on his / her back, such as a cared person, a patient, or a bedridden person, stays below the body.
  • a connecting member such as a belt for fixing the Omcup cup body 1 to the body is detachably provided on the upper (head) side of the Omcup cup body 1.
  • a member such as a hose is attached to the lower (foot) side end of the Ommup cup body 1.
  • the front cover 2 is attached to the front part of the Omcup cup body 1, and the vicinity of the shadow is caused by deformation of the contact part of the front cover 2.
  • the urine cup body 1 and the Omucup cup body 1 are enclosed so that the excrement does not leak from the inside of the Omucup cup body 1 and the front cover 2 and is in close contact with the body.
  • the Omcup cup body 1 is provided with a genital washing nozzle 5, an anal washing nozzle 6, a washing nozzle body 7 in the Omcup cup body 1, a detection means 8, and the like. Further, a hot air outlet (not shown) is provided.
  • This warm air dries the vicinity of the excretion part after washing the excretion part, the inside of the Omcup cup body 1, and the like.
  • a lower end (foot) side end portion of the Omucup cup body 1 is provided with a waste suction port lb for discharging the waste, and is further coupled to the waste suction port lb to the outside.
  • An excrement suction hose 10 provided so as to protrude, a cleaning liquid supply hose (not shown), a force bra for detection means (not shown), and a blower hose (not shown) are provided and installed outside. Connected to a device (not shown).
  • This omucup body 1 is configured as described above, but when attached to the body, the omucup body 1 is opened with the connecting member open. Enclose the cup body 1 against the buttocks side of the body, surround the genital side with the front cover 2, and fix the connecting member when the position is fixed.
  • the peripheral portion of the depression la has a step.
  • This depression la has a structure that can prevent excretion excreted from the genital area and anal portal from leaking out of the Omucup cup body 1.
  • the excrement suction hose 10 described above is connected to the excretion suction port lb located on the lower (foot) side of the recess la. Even when the user is lying on his / her back, the excrement is received by the depression la and immediately led to the excretion suction port lb and discharged through the excretion suction hose 10.
  • These excrement suction hoses 10 etc. lie sideways with the depression la below the body when the user is in a normal lying position.
  • the excrement is sucked together with the cleaning liquid cleaned by a vacuum pump or the like via the excretion suction hose 10, and collected in a separate waste tank (not shown).
  • the cleaning liquid is water or a mixed liquid of water and air.
  • a cleaning liquid supply hose for supplying cleaning liquid is provided on the lower (foot) side! /, And the supplied cleaning liquid branches after being guided to the omcup cup body 1, and the genital cleaning nozzle 5 and The flow is divided into the anal cleaning nozzle 6 and the cleaning nozzle body 7.
  • the cleaning liquid is installed outside! /, And is sent from a separate cleaning liquid water supply tank as, for example, warmed warm water and air mixture.
  • the cleaning liquid introduced to the genital washing nozzle 5 mainly cleans the genital area around the excretory part of the body, and the anal cleaning nozzle 6 mainly cleans the area around the anus of the excretory part. It is provided at a position close to the site.
  • the blower hose is for sending warm air or the like, and sends warm air into the Omcup cup body 1 from the warm air outlet. This warm air dries the excretion part and the surroundings of the excretion part.
  • the cleaning nozzle body 7 is provided on the upper (head) side of the Omcup cup body 1.
  • This cleaning nozzle body 7 is formed in a semicircular shape along the seating surface, and the cleaning liquid is distributed over the entire wall surface inside the body 1 by means of a plurality of partition portions whose angles are changed to the back surface side. Disperse. As a result, the cleaning liquid is supplied over the entire wall surface inside the Ommup cup body 1 as shown by arrows Q and P in FIG.
  • a first discharge port le and a second discharge port If for discharging the liquid to the front side (inner wall surface side) are provided in the guide groove lc.
  • the cleaning liquid is forcibly ejected to the front side via the first discharge port le and the second discharge port If and is guided to the cleaning nozzle body 7.
  • the excrement is sucked and discharged from the excretion suction port lb through the excretion suction hose 10 along the main flow of the washing liquid indicated by the arrow P.
  • the first detection member 14 described later is disposed on the side wall, which is the outer wall in the vicinity of the second discharge port If of the Omucup body 1, the side wall on which the first detection member 14 is provided is also directly cleaned. Is possible. It is also possible to clean the detection terminal portion of the second detection means 15 described later.
  • the detection means 8 includes a first detection member 14 mainly for stool and a second detection member 15 mainly for urine.
  • the 1st detection member 14 is provided ranging over the direction which crosses the passage direction of the excretion excreted from an excretion part. That is, a transmission type optical sensor provided at the width end inside the Ompu force main body 1 and a sensor using infrared light is suitable.
  • the first detection member 14 is made up of a light emitting element 50 (first light emitting element 50a, second light emitting element 50b) that emits infrared light, and a light receiving element that receives the infrared light.
  • a transmission infrared sensor that detects the presence or absence of stool using a pair of elements 51 (first light receiving element 51a and second light receiving element 51b).
  • the first detection member 14 includes a first detection member 14a including a first light emitting element 50a and a first light receiving element 51a, a second light receiving element 51b, a second light emitting element 50b, and the like. This is due to the configuration comprising the other first detection member 14b.
  • FIG. 4 shows an outline of the first detection member 14a.
  • the first detection member 14a is composed of a plurality of first light-emitting elements 50a and first light-receiving elements 51a arranged on the substrate 52, respectively.
  • the substrate 52 is provided with a hole 53 for attaching the substrate 52 to the Ommup cup body 1 with screws or the like.
  • the first detection member 14b has the same structure as the first detection member 14a.
  • the plurality of first light emitting elements 50a and first light receiving elements 51a are arranged in a line on the substrate 52, but can be irregularly arranged depending on the installation conditions.
  • First light emitting element 5 Oa and the second light receiving element 51b, and the first light receiving element 51a and the second light emitting element 50b face each other and form a pair on the outer wall surface of the outer side of the Omcup cup body 1, and
  • the first detection member 14b is provided to face the first detection member 14b.
  • the first detection member 14 detects the passage of the excrement based on whether or not the projected infrared light is received and confirms that the excretion has been excreted in a non-contact manner. Infrared light is projected from the light emitting element 50 to the light receiving element 51! /, And when the excrement (object) passes, the path of infrared light is temporarily blocked. This is illustrated in Fig. 5. By detecting the blocking state with the light receiving element 51, the presence or absence of feces as excrement is confirmed.
  • a plurality of light emitting elements 50 and light receiving elements 51 are provided, respectively, so as to have a plurality of light fluxes so as to have a predetermined width in a direction crossing the excretion passage direction.
  • the Omucc cup body 1 has a concave and complicated curved surface shape by attaching the first detection member 14a and the first detection member 14b to the other at a predetermined angle.
  • the first detection member 14 is disposed at a position on the upper (head) side of the outer wall of the Omucup cup body 1.
  • the detection terminal portion of the second detection member 15 targets the excrement of urine, and the urine collects between the pair of detection terminals.
  • the resistance value between the sensing terminals varies depending on whether there is no water between the sensing terminals, when cleaning liquid is accumulated, or when water containing salt is accumulated. Since urine contains salt, when a predetermined amount (eg, 15 ml) of water containing salt is accumulated, it is detected that urine is present. Since salt-containing water has a smaller resistance value than mere water (for example, tap water), this resistance value is detected as urine.
  • the resistance value is higher than that in the case where water containing salt is accumulated, so that discrimination is possible. That is, it is avoided that the cleaning liquid is ejected in a state where water other than urine (for example, the cleaning liquid) is accumulated.
  • a predetermined amount of salt-containing water accumulates, it is determined that urine is excreted, and in the case of excretion of a small amount of urine (for example, when a small amount of urine is leaked), I try not to judge.
  • the second detection members 15 constitute a pair of detection terminals, and are arranged in three positions on the inner wall surface of the cup cup body 1 as shown in FIG.
  • a pair of detection terminals 15a and 15b are respectively arranged on the left and right of the side position on the upper (head) side
  • a pair of detection terminals 15c are further arranged on the lower (foot) side center position.
  • FIG. 6 shows an example of how the urine s is detected by the detection terminal 15a. 6 is a cross-sectional view taken along the line CC in FIG.
  • FIG. 7 shows a state where the urine s is detected by the detection terminal 15c. 7 is a cross-sectional view taken along the line D-D in FIG.
  • the pair of terminals 15a to 15c are all located below the body when the user is lying on his back. Therefore, when the urine s is excreted in a posture lying on its back, it always flows downward and remains in the depression la, so that it can be reliably detected by the pair of detection terminals 15c (see FIG. 7). In addition, even if the user is in a sleeping position by changing the direction of the body, urine s, etc. must be detected with either the pair of detection terminals 15a or the pair of detection terminals 15b (see Fig. 6). It has become.
  • the second detection member 15 has a structure in which the terminal portions at the tips of the pair of detection terminals 15a to 15c are exposed on the front side (inner wall surface side). As shown in FIG. 2, the connecting portion with the ompu force cup body 1 is sealed on the back side of the ommu cup body 1 so that the cleaning liquid or the like does not leak, and wiring 15d is formed.
  • the wiring on the back side is connected to the joint 12 of the detecting means on the lower (foot) side of the Omcup cup body 1 and is connected to the main board 60 (not shown) of the external control device (not shown) via the cable. 8).
  • the control device it is determined whether or not urine is detected.
  • the vacuum pump is activated and the excretion suction is performed. It is forcibly recovered via hose 10.
  • the cleaning liquid is fed from the cleaning liquid hose and distributed to the genital cleaning nozzle 5, anal cleaning nozzle 6 and cleaning nozzle body 7 and sprayed from the required position to publish the genital area, anus area, genital area, or anus area. Wash.
  • the cleaning liquid which is a mixed liquid of water and air
  • the washing liquid which is water
  • the genital area and the omcup cup body 1 from the genital area washing nozzle 5 and the washing nozzle body 7.
  • the excrement collected by suction is collected and stored in a separate waste tank (not shown) together with the cleaning liquid and the like.
  • This waste tank along with other devices, is provided in association with the excrement disposal device of the present embodiment, and is placed near the bed of a bedridden person or the like.
  • a device for feeding cleaning liquid, a device for blowing air, a device for sucking, a device for purifying air, and a detection means A control device that electrically controls and processes the detection signal is combined into a single device.
  • FIG. 8 shows a block diagram of a circuit of the excrement disposal apparatus of the present embodiment.
  • Each of the detection terminals 15a to 15c and a pair of electrodes constitutes a salinity detection circuit together with the subsequent circuit. Details of the salinity detection circuit will be described later.
  • the first detection member 14 is for detecting an object such as stool in the omcup, and an object detection circuit is configured by a subsequent circuit connected to the first detection member 14.
  • the object detection circuit receives the reception signal from the light receiving element 51, determines the presence / absence of an object in the omcup cup, and outputs a signal.
  • the light receiving element 51 receives the light emitted from the light emitting element 50, it is determined that there is no object in the cup cup 1. If there is an object in the Omucup 1, the light beam is blocked by this object, the light receiving element 51 cannot receive light, and the object detection circuit outputs a signal with the object. The detailed configuration and operation of the object detection circuit will be described later. While the light emitting element 50a installed on the first detection member 14a is operating, the operation of the light receiving element 51a installed on the first detection member 14a is stopped. While the light emitting element 50b installed on the first detection member 14b is operating, the operation of the light receiving element 51b installed on the first detection member 14b is stopped.
  • excrement is detected by alternately switching between the light emitting element 50a of the first detection member 14a and the light emitting element 50b of the first detection member 14b.
  • This switching prevents the light receiving element 51 from receiving the reflected light from the light emitting element 50 installed adjacent to the light receiving element 51 (installed on the same detection member). That is, the light receiving element 51b always receives only the light from the light emitting element 50a, and the light receiving element 51a always receives only the light from the light emitting element 50b.
  • the sensitivity of the light receiving element 51 is increased without being affected by light.
  • FIG. 8 is a block diagram showing an outline of the main board 60 for controlling the detection means 8 of the excrement disposal apparatus of the present embodiment.
  • the main board 60 controls the operation of the first detection member 14 and the second detection member 15, and processes the electrical signals received from these to detect the presence of excrement.
  • a signal indicating whether or not there is stool and water containing salt (hereinafter also simply referred to as “salt”) is output.
  • circuits such as a first oscillator 61, a voltage hold circuit 62, and a first output buffer 63 are arranged.
  • a second oscillator 64, a counter 65, a multiplexer 66, a first analog switch 67, a second analog switch 68, a second output buffer 69, and the like are also arranged. Furthermore, a circuit of a regulator 70 for adjusting the voltage is also arranged.
  • the first oscillator 61 includes the light emitting element 50a of the first detection member 14a, the light receiving element 51b of the first detection member 14b, the light emitting element 50b of the first detection member 14b, and the light receiving element 51a of the first detection member 14a. This is a switching signal oscillator for switching operations sequentially.
  • the first oscillator 61 operates by receiving the signal oscillated from the second oscillator 64.
  • the voltage hold circuit 62 is a hold circuit for creating a reference voltage that becomes a reference based on a signal detected by the light receiving element 51. This voltage hold circuit 62 makes the best comparison even when the received light voltage changes due to changes over time.
  • the circuit of the first output buffer 63 is a circuit for comparing the output voltage when light is received by the light receiving element 51 with the reference voltage created by the voltage hold circuit 62. When light cannot be received by the light receiving element 51, that is, when an object is detected, the current flows through the circuit of the first output buffer 63 (in short-circuited state in terms of the switch), and the first output buffer 63 outputs the output signal. Is output.
  • the second oscillator 64 is a basic oscillator for the second detection member 15. An oscillator is a necessary requirement for salt detection by the second detection member 15.
  • the second oscillator 64 is an oscillator such as a crystal oscillator for this purpose.
  • the second oscillator 64 oscillates the reference signal of the main board 60 including the reference signal for the first oscillator 61.
  • the second oscillator 64 supplies an oscillation signal to the first oscillator 61.
  • the counter 65 is a circuit for making the interval between the ON period and the OFF period of the signal oscillated by the second oscillator 64 equal.
  • the counter 65 is also a circuit for generating signals having frequencies of 1/2, 1/4, 1/8, and 1/16 of the oscillation frequency of the second oscillator 64.
  • Multiplexer 66 is designed to cause a noise to appear at a time from 1 to 8 from the frequency generated by counter 65.
  • any of detection terminals 15a to 15c Decide whether to detect salinity. Detection by detection terminal 15b (right) is detected by pulses 1 and 5, detection by detection terminal 15c (middle) is detected by pulses 2, 4, 6, 8, detection by detection terminal 15a (left) is detected by pulses 3 and 7 It is supposed to be.
  • the first analog switch 67 switches the signal from the counter 65 at a speed twice that of the multiplexer 66. By this switching of the first analog switch 67, the direction of the current flowing through the electrodes of the detection terminals 15a to 15c is switched. Current in the soil direction flows during one pulse of multiplexer 66.
  • the second analog switch 68 is an analog switch synchronized with the multiplexer 66.
  • the second analog switch 68 is a switch for deciding which terminal of the detection terminals 15a to 15c is used for current detection.
  • the second output buffer 69 compares with a reference voltage (0.25 V) created by dividing the power supply circuit and passes through a filter. When a current flows, the output current flows through the second output buffer 69 circuit. (Speaking of the switch, it will be in a short state.)
  • the regulator 70 is a regulator circuit for changing the input voltage (12V) to the internal specification voltage (5V).
  • the main board 60 uses an IC of 5V specification inside.
  • the first output buffer 63 and the second output buffer 69 are connected to the relay board 72 via the connector 71.
  • the relay board 72 is for connection to a power source and an external device.
  • the relay board 72 supplies power to the main board 60 and transmits a detection signal from the main board 60 to an external device.
  • the external devices are the circulating air control device of the Omcup 1 and the deodorizer. These external devices receive the excretion signal and operate accordingly.
  • the salinity detection circuit includes detection terminals 15a to 15c, a second oscillator 64, a counter 65, a multiplexer 66, a first analog switch 67, a second analog switch 68, and a second output buffer 69.
  • the second oscillator 64 is composed of an oscillation circuit with an OP amplifier, and oscillates at about 2.5 kHz to 3.5 kHz.
  • the duty ratio of the second oscillator 64 has an arbitrary width. The performance of the second oscillator 64 does not require a highly accurate frequency and duty ratio with respect to the set frequency.
  • the counter 65 sets the duty ratio from the second oscillator 64 to 50% and the second oscillation.
  • the noise signal oscillated from the circuit 64 is supplied to the first analog switch 67, the second analog switch 68, and the multiplexer 66 for polarity switching.
  • Multiplexer 66 outputs an output count corresponding to the number of counters (0 to 7). When the number of counters is 0, 2, 4, 6 or so, switch the detection terminal 15c (center detection terminal) to detect. When the number of counters is 1 or 5, switch to detect by detection terminal 15b (right detection terminal).
  • the detection terminal 15a (left detection terminal) is switched to perform detection.
  • the second output buffer 69 compares the detected electrical signal, that is, the electrical signal from the detection terminals 15 a to 15 c with the reference voltage (2.5 V), and determines whether or not there is excrement and outputs it. Yes.
  • the second output buffer 69 is turned on when it is determined that there is excrement.
  • the ON state means that the resistance value between the collector and emitter of the transistor approaches 0 ⁇ . In other words, no power is output even though power is supplied.
  • the judgment voltage is changed to 2.5V force and 0.25V because of the detection current.
  • the output of the second output buffer 69 is an open collector, and the drawing current is about 50 mA. (100mA rated product used).
  • FIG. 12 shows a circuit diagram in which transistors are connected so as to become an open collector when using transistors.
  • Transistor voltages include collector, emitter, and base. Normally, when a transistor is used, it is operated by applying a closing voltage to the emitter, a medium voltage to the base, and a high voltage to the collector. In the case of an open collector, the emitter is at ground (GND in the figure), the base is at the signal (SIG in the figure), and no voltage is applied to the collector.
  • FIG. 9 shows a circuit diagram of the detection terminals 15a to 15c.
  • the detection terminals 15a to 15c operate by switching the switches S1 to S7.
  • a predetermined voltage for example, + 5V is applied to the circuits of the detection terminals 15a to 15c.
  • a terminal center signal is supplied to the detection terminals 15a to 15c, and the switches S1 to S4 are switched to control the flow of current flowing through the detection terminals 15a to 15c.
  • the null center signal is a signal from the counter 65.
  • the signal output from the counter 65 is a signal supplied to the analog switches 67 and 68, and simultaneously flows to the switches S1 to S4. For example, when the switches S1 and S4 are connected, current flows through the S1 side, flows through the sensor connected to the detection terminals 15a to 15c (from the right side to the left side), and passes through the S4 side to the ground point. It flows to
  • switches S2 and S3 When the switches S2 and S3 are connected, current flows through the S2 side and is connected to one of the detection terminals 15a to 15c! /, Through the sensor (from left to right) and through the S3 side. Flows to ground point.
  • the switches S5 to S7 are switches for switching which of the detection terminals 15a to 15c is operated for detection. When switch S5 is connected, detection terminal 15b operates. When switch S6 is connected, detection terminal 15c operates. When switch S7 is connected, detection terminal 15a operates.
  • a signal for switching timing is transmitted from the multiplexer 66 as the first to fourth detection point switching signals.
  • the fourth detection point switching signal is the same as the second detection point switching signal, and the second detection point is detected.
  • the terminal center signal switches the switches Sl, S4 and S2, S3, and changes the flow direction of the detection current flowing through the detection terminals 15a to 15c.
  • Switches S5 to S8 are switched by the first to fourth detection point switching signals. Therefore, detection terminals 15a to 15c are operated one by one. As a result, the detection terminals 15a to 15c are always detected by only one pair of electrodes without being connected in parallel. As a result, the detection resistance is not lowered by arranging a plurality of detection terminals in parallel, and separation detection of water containing water and salt can be detected at a plurality of locations.
  • the currents detected at the detection terminals 15a to 15c are input to the first analog switch 67 and the second analog switch 68 for signal processing, and the second output buffer 69 compares the detection voltage with the reference voltage. The presence or absence of water containing salt is determined and a determination signal is output.
  • the detection terminals 15a to 15c are operated while being shifted one by one in time, it can be determined that water and water containing salt are always 150 k ⁇ and 100 k ⁇ . Therefore, the prior art As shown in the detection example, the indefinite state of resistance does not occur, water and iookQ-e can be reliably distinguished from salt water at 150 kQ, and the indefinite range can be reduced.
  • FIG. 10 shows an operation waveform of the salinity detection circuit.
  • Reference numeral 80 in the figure indicates the output waveform of the second oscillator 64.
  • the output waveform of the second oscillator 64 has a frequency of 2.5 kHz to 3.5 kHz.
  • Reference numeral 81 in the figure indicates the output waveform of the counter 65.
  • the frequency of the counter 65 is 1/2, 1/4, 1/8, 1/16 of the oscillation frequency of the second oscillator 64.
  • Reference numeral 82 in the figure is an output waveform from the multiplexer 66. This is a waveform that shows how 1 to 8 pulses are generated according to counter 64.
  • Reference numeral 83 in the figure is a waveform used for switching the polarity of the salinity detection in the inverted waveform of COUNT-Q1 of the counter 65.
  • Reference numeral 84 in the figure denotes a waveform when the detection terminals 15a to 15c are selected.
  • Reference numeral 85 in the figure indicates which detection terminal corresponds to the detection in the case of the following 86 and 87.
  • Reference numeral 86 in the figure is an output waveform when detection is performed at all of the detection terminals 15a to 15c, and a high part in the center of the figure indicates a state when a detection object enters. The output increases when the judgment level is exceeded. This output is a waveform measured before the second output buffer 69 (open collector circuit) at the final stage.
  • Reference numeral 87 in the figure is an output waveform when detection is performed only at the detection terminal 15c (center), and the portion that is high in the center of the figure indicates a state where there is salt. However, since the detection is performed only at the detection terminal 15c (center), the output becomes a pulse when the judgment level is exceeded, and finally the filter force S is applied. This output is a waveform measured before the second output buffer 69 (open collector circuit) at the final stage.
  • FIG. 11 shows an outline of the object detection circuit including the first detection member 14.
  • the first detection member 14 includes a light emitting element 50 and a light receiving element 51 installed on the first detection member 14a and the first detection member 14b.
  • the object detection circuit includes a first detection member 14, a first oscillator 61, a voltage hold circuit 62, and a first output buffer 63.
  • the light emitting element 50a of the first detection member 14a and the light emitting element 50b of the first detection member 14b are connected in series.
  • the light receiving element 51a of the first detecting member 14a and the light receiving element 51b of the first detecting member 14b are also connected in series.
  • the light emitting element 50 emits infrared light, which is received by the light receiving element 51 and output as an electrical signal. To help.
  • the frequency of the infrared light emitted from the light emitting element 50 must be one that can be transmitted through the Omcup cup body 1.
  • polycarbonate resin is used as the material of the Omucup cup body 1.
  • the optimum frequency of the infrared light emitted by the light emitting element 50 is selected in consideration of the infrared absorption characteristics and the like depending on the type of the polycarbonate resin.
  • the first detection member 14a is provided with three light receiving elements 51a and two light emitting elements 50a.
  • the first detection member 14b is also provided with three light receiving elements 51b and two light emitting elements 50b.
  • the first oscillator 61 includes a switching circuit (not shown) for switching the output polarity. By this switching circuit, the output polarity of the first oscillator 61 is switched to switch the light receiving element 51 and the light emitting element 50 alternately.
  • the voltage hold circuit 62 outputs a voltage obtained by reducing the output voltage received by the light receiving element 51 by the detection sensitivity.
  • the voltage hold circuit 62 outputs an output when it is equal to or greater than a predetermined value.
  • a large current is supplied to the voltage hold circuit 62, and an output voltage is generated at the terminal of the voltage hold circuit 62.
  • the first output buffer 63 compares the output voltage of the voltage hold circuit 62 with the output voltage of the light receiving element 51 and outputs the result.
  • the first output buffer 63 receives the output voltage of the voltage hold circuit 62 and outputs it when there is a difference between the output voltage of the light receiving element 51.
  • the first output buffer 63 does not output when there is no output voltage of the voltage hold circuit 62.
  • the output side of the first output buffer 63 is composed of a transistor and is an open collector. The use of the transistor as an open collector is described in detail in FIG. 12 and the description of the second output buffer 69 above.
  • the sensitivity of the object detection circuit varies depending on the time-dependent change and initial variation of the light emitting element, the light receiving element, and the subsequent circuit connected thereto.
  • the reference voltage to be compared is held to change according to the detection signal. By holding the reference voltage in this way, it is possible to cope with a certain amount of change over time and fluctuations such as initial variations, and it is possible to increase the detection sensitivity and stabilize it.
  • the number of light emitting elements 50 is increased (in this embodiment, left By increasing the amount of light emitted by the light-emitting element 50, the object detection range can be increased.
  • the light emitting element 50 and the light receiving element 51 (for example, 50a and 51a or 50b and 51b) installed adjacent to each other operate simultaneously, a light beam from the light emitting element 50 enters the light receiving element 51, and the first This may cause a decrease in detection sensitivity of the detection member 14. Therefore, in order to eliminate this interference, the light emitting element 50 and the light receiving element 51 on the same side are operated alternately. Therefore, the SEL signal (see FIG. 11) is supplied to the light emitting element 50 and the light receiving element 51 of the first detection member 14a and the first detection member 14b, respectively. The SEL signal is directly supplied to the light receiving element 51. The SEL signal is inverted by the inverter before being supplied to the light emitting element 50.
  • SEL-1 and SEL-2 are signals inverted from each other, and are signals from the first oscillator 61. This signal is a signal for operating or stopping the light receiving element 51 and the light emitting element 50.
  • T RS—SIG is a signal from the light receiving element 51 and is input to the first output buffer 63. The presence or absence of an object is detected based on the magnitude of this signal.
  • LED—COM is a power source for the light emitting element 50. This is common to all the light emitting elements 50 of the first detection member 14a and the first detection member 14b.
  • FIG. 13 and FIG. 14 are diagrams showing an outline of other embodiments of the first detection member of the detection means 8 of the present invention.
  • the first detection member 114 of the detection means 8 has the same detection principle as the first detection member 14 described above, and is connected to a similar circuit (see FIG. 8). Here, only different parts will be described.
  • the first detection member 114 of the present embodiment is different from the first detection member 14 described above in that a through-hole 154 is formed in the substrate 152 and the light-emitting element 50 and the light-receiving elements 151 and 151-2 are placed in the hole. This is the point where
  • the mutual interference between the light emitting element 50 and the light receiving elements 151 and 151-2 can be reduced. Furthermore, in particular, the influence of external light that has affected the detection sensitivity of the light receiving elements 151 and 151-2 can be reduced.
  • the light receiving elements 151 and 151-2 arranged on one substrate 152 of the first detection member 114 of the present embodiment are arranged in a zigzag manner. As shown in Fig. 13, one of the three light receiving elements 151, 151-2 arranged on the substrate 152 is aligned with the other two. It is arranged so that there is no. As a result, the shape of the bottom of the Ommup cup main body 1 is matched, and the range for detecting excreta is expanded.
  • the first detection member 114 of the present embodiment is composed of two pairs of the first detection member 114a and the first detection member 114b, like the first detection member 14 described above.
  • the first detection member 114 of the present embodiment is a transmission that detects the presence or absence of stool with a pair of elements, a light emitting element 50 that emits infrared light and a light receiving element 151, 151-2 that receives the infrared light.
  • Type infrared sensor is a transmission that detects the presence or absence of stool with a pair of elements, a light emitting element 50 that emits infrared light and a light receiving element 151, 151-2 that receives the infrared light.
  • the first detection member 114a and the first detection member 1 14b (see FIG. 14) of the present embodiment have the same structure as the first detection member 14.
  • FIG. 13 shows an outline of the first detection member 114.
  • FIG. 14 shows a cross-sectional view of the substrate 152.
  • the first detection member 114 includes a substrate 152, a light emitting element 50, light receiving elements 151, 151-2, and the like.
  • the substrate 152 is provided with a through hole 154.
  • the first detection member 114 includes a plurality of light emitting elements 50, light receiving elements 151 and 151-2, and a force disposed on the substrate 152, respectively.
  • the substrate 152 is provided with a hole 53 for attaching the substrate 152 to the Omcup body 1 with screws or the like.
  • the plurality of light emitting elements 50 and light receiving elements 151 are arranged in a line on the substrate 152, and the light receiving elements 151-2 are arranged out of this line.
  • the light receiving element 151-2 is disposed closer to the bottom surface side of the omcup cup body 1. That is, since it is arranged along the depression on the bottom surface of the Ommup cup body 1, the sensitivity for detecting excrement is improved. Further, a hole 154 is formed in the substrate 152, and the light emitting element 50 and the light receiving elements 151 and 1512 are disposed therein. That is, the light emitting part of the light emitting element 50 and the light receiving parts of the light receiving elements 151 and 151-2 are arranged so as to enter the hole 154. Therefore, the directivity of the light emitting element 50 is improved.
  • the detection sensitivity of the light receiving elements 151 and 151-2 due to external light, reflected light, etc. is reduced, and false detection is improved.
  • Infrared light is always projected from the light emitting element 50 to the light receiving elements 151 and 151-2, and when the excrement (object) passes, the infrared light path is temporarily blocked. This is illustrated in Figure 14. Detecting the blocking state with light receiving elements 151 and 151-2 And confirming the presence or absence of stool as excrement.
  • a plurality of light emitting elements 50 and light receiving elements 151 and 151-2 are provided, and have a plurality of light fluxes so as to have a predetermined width in a direction crossing the excretion passage direction.
  • the first detection member 114a and the other first detection member 114b are attached with the light receiving elements arranged in a zigzag manner, the Omucup cup body 1 is excreted along the complicated concave shape. It is possible to detect the presence or absence.
  • the present invention is a medical facility, a nursing facility, a residential facility for the elderly, and the like, and cannot be excreted in a normal position! /
  • FIG. 1 is an external view of an excrement disposal apparatus according to the present invention.
  • FIG. 2 is a front view of the excrement disposal apparatus of the present invention.
  • FIG. 3 is a cross-sectional view taken along the line AA in FIG.
  • FIG. 4 is a diagram illustrating an outline of the first detection member 14.
  • FIG. 5 is a circuit diagram illustrating an outline of a circuit of the first detection member 14.
  • FIG. 6 is a CC cross-sectional view of FIG.
  • FIG. 7 is a cross-sectional view taken along the line D-D in FIG.
  • FIG. 8 is a block diagram showing an outline of a circuit of the excrement disposal apparatus of the present invention.
  • FIG. 9 is a circuit diagram illustrating an outline of a circuit of the second detection member 15.
  • FIG. 10 is a diagram illustrating a waveform of a salt detection control.
  • FIG. 11 is a diagram illustrating an outline of light rays when an object is detected by the first detection member 14.
  • FIG. 12 is a circuit diagram illustrating a circuit used as an open collector of a transistor.
  • FIG. 13 is a diagram illustrating an outline of another embodiment of the first detection member.
  • FIG. 14 is a diagram illustrating an outline of another embodiment of the first detection member. Explanation of symbols

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  • Orthopedic Medicine & Surgery (AREA)
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  • Heart & Thoracic Surgery (AREA)
  • Vascular Medicine (AREA)
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Abstract

La présente invention concerne un dispositif d'élimination des déchets humains pouvant détecter de manière fiable la miction et un mouvement de l'intestin même si l'utilisateur change l'orientation de son corps. Un corps de cuvette de couche comporte des premiers moyens de détection (14) destinés à détecter la présence d'excréments et des seconds moyens de détection (15) destinés à détecter la présence d'urine. Les premiers moyens de détection (14) sont un capteur optique du type transmissif construit avec des éléments électroluminescents (50) et des éléments de réception de la lumière (51) disposés sur la surface de la paroi externe dudit corps (1). Un élément de réception de la lumière reçoit un signal lumineux émis à partir d'un élément électroluminescent. Tandis qu'un élément de réception de la lumière reçoit un signal lumineux, un élément électroluminescent disposé sur la même paroi externe que l'élément de réception de la lumière n'émet pas de lumière. Les seconds moyens de détection (15) comportent une partie de terminaux capteurs composés d'une ou de plusieurs paires de terminaux capteurs (15a-15c) pour détecter la présence de l'urine. Une partie de commande des capteurs mesure séquentiellement la résistance entre les terminaux capteurs pour détecter la présence d'eau contenant du sel. Lorsqu'une quantité prédéterminée d'urine est recueillie dans un creux situé près de la partie des terminaux capteurs, on détermine qu'il s'y trouve de l'urine.
PCT/JP2007/066564 2006-09-26 2007-08-27 dispositif d'élimination des déchets humains WO2008038485A1 (fr)

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WO2016125927A1 (fr) * 2015-02-03 2016-08-11 이훈상 Appareil d'élimination d'excréments pourvu de buse rotative
CN108348351A (zh) * 2015-10-06 2018-07-31 艾迪·劳斯株式会社 安装用马桶座
WO2019065541A1 (fr) * 2017-09-28 2019-04-04 大和ハウス工業株式会社 Dispositif de détection d'excréments
WO2020130769A1 (fr) * 2018-12-19 2020-06-25 CERVERA AGUIRRE, Eduardo Lit relevable pour personnes à mobilité réduite ou sans mobilité
CN113081589A (zh) * 2018-08-26 2021-07-09 张惠丽 一种卧便器运行时不采用冲洗病人臀部及检测原件的方式
CN113502887A (zh) * 2021-07-30 2021-10-15 九牧厨卫股份有限公司 一种带自清洁功能的喷射检测喷头及马桶
EP4124322A3 (fr) * 2021-07-30 2023-04-12 Chin-Hsuan Ho Procédés et dispositifs de nettoyage des excréments
KR20240057702A (ko) 2022-10-25 2024-05-07 주식회사 요타오션 스마트 대소변 센서 및 그를 이용한 스마트 기저귀

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Publication number Priority date Publication date Assignee Title
WO2016125927A1 (fr) * 2015-02-03 2016-08-11 이훈상 Appareil d'élimination d'excréments pourvu de buse rotative
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CN108348351A (zh) * 2015-10-06 2018-07-31 艾迪·劳斯株式会社 安装用马桶座
WO2019065541A1 (fr) * 2017-09-28 2019-04-04 大和ハウス工業株式会社 Dispositif de détection d'excréments
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JP7075193B2 (ja) 2017-09-28 2022-05-25 大和ハウス工業株式会社 ***物検出装置
CN113081589A (zh) * 2018-08-26 2021-07-09 张惠丽 一种卧便器运行时不采用冲洗病人臀部及检测原件的方式
WO2020130769A1 (fr) * 2018-12-19 2020-06-25 CERVERA AGUIRRE, Eduardo Lit relevable pour personnes à mobilité réduite ou sans mobilité
CN113502887A (zh) * 2021-07-30 2021-10-15 九牧厨卫股份有限公司 一种带自清洁功能的喷射检测喷头及马桶
CN113502887B (zh) * 2021-07-30 2022-06-14 九牧厨卫股份有限公司 一种带自清洁功能的喷射检测喷头及马桶
WO2023004975A1 (fr) * 2021-07-30 2023-02-02 九牧厨卫股份有限公司 Tête de pulvérisation à détection de pulvérisation ayant une fonction d'auto-nettoyage et toilettes
EP4124322A3 (fr) * 2021-07-30 2023-04-12 Chin-Hsuan Ho Procédés et dispositifs de nettoyage des excréments
KR20240057702A (ko) 2022-10-25 2024-05-07 주식회사 요타오션 스마트 대소변 센서 및 그를 이용한 스마트 기저귀

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